Friday Harbor Airport Weather Forecast
- 52
- 72
Becoming Sunny
- 52
- 73
Mostly Sunny
- 52
- 72
Mostly Sunny
- 50
- 70
Partly Sunny
- 50
- 70
Partly Sunny
- 50
- 71
Mostly Sunny
Today 22 Jul San Juan County
Sunny. Highs in the upper 60s to mid 70s. South wind to 10 Mph.
Tonight 22 Jul San Juan County
Mostly clear. Lows in the 50s. Light wind.
Friday Harbor Airport Temperature Statistics
July Temperature
Friday Harbor Airport (0 miles)
Lowest 4 July, 2025
46.7 °FAverage July
62.5 °FHighest 15 July, 2025
88.6 °F
Climate (2020–Present)
Friday Harbor Airport (0 miles)
Average Low 2020–2025
44.3 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
59.5 °F